SOLUTION: the length of a rectangular room is three less than twice its width. Find the dimensions of the perimeter is 54 ft.

Algebra ->  Rectangles -> SOLUTION: the length of a rectangular room is three less than twice its width. Find the dimensions of the perimeter is 54 ft.      Log On


   

Question 932127: the length of a rectangular room is three less than twice its width. Find the dimensions of the perimeter is 54 ft.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
L = 2w - 3
2L + 2w = 54
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2L + 2w = 54
2(2w - 3) + 2w = 54
4w - 6 + 2w = 54
6w = 60
w = 10
L = 2w - 3
L = 2*10 - 3
L = 23
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L = 23 ft
w = 10 ft
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